Question

what is seed? mention it's layer?​

Answer 1

Seed is a the unit of reproduction of a flowering plant, capable of developing into another such plant.

The seed coat has two layers. The outer layer is thick and known as the testa. The inner layer is thin and known as tegmen. A thick seed coat protects the seed from sunlight and water.

Answer 2

Answer:

A seed is the part of a seed plant that can grow into a new plant. It is a reproductive structure that desperses, and can survive for some time. A typical seed includes three basic parts: (1) an embryo, (2) a supply of nutrients for the embryo, and (3) a seed coat.